The fraternal order that focussed on the worship of the ancient Iranian god Mithra was probably formed in Iran, Armenia, and Pontus (the southern coastal region of the Black Sea in eastern Anatolia, present-day Turkey). Travelers and colonists from theseS…
Our modern understanding of Mithraism, though, depends largely on a few short (and very problematic) literary mentions, mostly written by the cult’s Christian rivals.
The remains of the Mithraeum of Aosta, also known as the Mitreo di Augusta Praetoria, were discovered in 1953 in insula 59, in a commercial district of the ancient city.
This inscription by a certain Ioulianos, found at the entrance to the Dolichenum at Dura Europos, bears an inscription to Zeus Helios Mithras et Tourmasgade.